insubstantial

C2+ Topic:Describing Qualities

US /ˌɪnsəbˈstænʃəl/ UK /ˌɪnsəbˈstænʃəl/ See IPA manual

Meanings

1

adj
lacking substance, strength, or reality; flimsy

The case rested on insubstantial and circumstantial evidence.

Thesaurus

Synonyms

1 adj · lacking substance,... flimsy slight tenuous weak intangible negligible

Opposites

substantial solid real tangible

Word family

Derived forms insubstantiallyinsubstantiality

Related forms substantial substance substantive

Etymology

From in- ('not') + substantial, from Latin substantialis ('having substance'), from substantia ('substance'), from substare ('to stand under'), from sub- ('under') + stare ('to stand').

in- Latin sub- Latin stare Latin

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# insubstantial

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** /ˌɪnsəbˈstænʃəl/
**IPA (UK):** /ˌɪnsəbˈstænʃəl/

## Meanings
1. lacking substance, strength, or reality; flimsy

## Examples
- The case rested on insubstantial and circumstantial evidence.

## Synonyms
- flimsy
- slight
- tenuous
- weak
- intangible
- negligible

## Antonyms
- substantial
- solid
- real
- tangible

## Derived Forms
- insubstantially
- insubstantiality

## Related Forms
- substantial
- substance
- substantive

## Roots and Affixes
- Root: in-
- Root: sub-
- Root: stare

## Etymology
From in- ('not') + substantial, from Latin substantialis ('having substance'), from substantia ('substance'), from substare ('to stand under'), from sub- ('under') + stare ('to stand').

## AI Etymology
Insubstantial comes from in- ('not') + substantial, from Latin substantialis ('having substance'), from substantia ('substance'), from substare ('to stand under'), from sub- ('under') + stare ('to stand'). The etymological trail includes Latin in-, Latin sub-, and Latin stare. As an adjective, insubstantial means lacking substance, strength, or reality; flimsy. The same family is visible in derived forms such as insubstantially and insubstantiality and related forms such as substantial, substance, and substantive. Morphologically, the word is built from the elements named in its history, so the modern form preserves a visible compound, prefix, or suffix structure.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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